Paul Andersen differentiates between biotic and abiotic factors. He explains how both abiotic and biotic factors can affect organisms at the level of the cell, the population and even the ecosystem. The complexities of biofilms,...

An important part of any ecosystem are the biotic (living) and abiotic (non-living) factors. This video explore what each of them are, and how to identify them. To learn more about ecosystems in general check out our other video on...

This live-action video program is about the word biotic. The program is designed to reinforce and support a student's comprehension and retention of the word biotic through use of video footage, photographs, diagrams and colorful,...

This live-action video program is about the word biotic. The program is designed to reinforce and support a student's comprehension and retention of the word biotic through use of video footage, photographs, diagrams and colorful,...

What happens when non-living factors in an ecosystem are altered, such as rainfall or air quality? Biology - Ecosystems - Learning Points. An ecosystem is a living system interacting with its physical habitat. Changes in biotic and...

This video introduces the viewer to biomes, ecosystems and habitats. With a clear explanation of what makes them different and how they are connected. Biotic and Abiotic factors are explained and discussed.

This program explores the major features of earth's amazing biosphere. Students are introduced to the biotic and abiotic components found in an ecosystem. Footage from throughout the world illustrates how ecosystems can change over time....

This video describes some of the ways that living and nonliving things in ecosystems interact. Beautiful, colorful videos help illustrate these interactions in ecosystems such as deserts, grasslands, and wetlands. Specific emphasis is...

Paul Andersen explains how ecosystems interact with biotic and abiotic factors. He explains and gives examples of food chains and food webs. He shows how limiting factors eventually leads to logistic growth. Real data from Yellowstone...

Explain ecosystem, environment its biotic and abiotic components, the levels of ecological hierarchy and the branches of ecology.

According to a recent study, “Oreo Cookie Treatment” is better at lowering LDL cholesterol (the “bad” cholesterol) than high-intensity therapy with cholesterol-lowering drugs called statins. ARE OREOS A HEALTH FOOD NOW?!<br/>

Paul Andersen reviews the major components of the homeostasis. He explains how organisms respond to abiotic and biotic factors in their environment with feedback loops. He shows how responses can be behavioral or physiological.

What's the next wave of the technology revolution? How will it affect business and society?

An ecosystem can be defined as a large, highly interconnected area of the planet that is composed of several different biotic and abiotic components. A good example of an ecosystem would be an entire forest or mountain range. A natural...

This live-action video program is about the word anaerobe. The program is designed to reinforce and support a student's comprehension and retention of the word anaerobe through use of video footage, photographs, diagrams and colorful,...

Watch: Harrowing moment dog is rescued after falling into icy pondTMX

An ecosystem is a complete community of living organisms and the nonliving materials of their surroundings. This includes plants, animals, microorganisms and their environment, such as soil, rocks, and minerals. An Ecosystem also...

Adaptations are the ways in which organisms change over time in response to the changing demands of their environment. Through adaptation, organisms can develop certain physiological, behavioral, and structural traits gradually to...

In this video Paul Andersen explains how biogeochemical cycles move required nutrients through the abiotic and biotic spheres on our planet. Matter on the Earth is conserved so producers must receive required nutrients through the water...

In this video Paul Andersen explains the important relationships that exist in ecosystems. He starts by delineating between organisms and their environment. He explains how food webs can be used to show energy and matter flow in a...

This program explores the major features of earth's amazing biosphere. Students are introduced to the biotic and abiotic components found in an ecosystem. Footage from throughout the world illustrates how ecosystems can change over time....

This program explores the major features of earth's amazing biosphere. Students are introduced to the biotic and abiotic components found in an ecosystem. Footage from throughout the world illustrates how ecosystems can change over time....

This program explores the major features of earth's amazing biosphere. Students are introduced to the biotic and abiotic components found in an ecosystem. Footage from throughout the world illustrates how ecosystems can change over time....

This program explores the major features of earth's amazing biosphere. Students are introduced to the biotic and abiotic components found in an ecosystem. Footage from throughout the world illustrates how ecosystems can change over time....